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A Gaussian surface in the shape of a right circular cylinder by end caps has a radius of 13.7 cm and a length of 105 cm. During one end there is an inward magnetic flux of 19.2 μWb. At the other end there is a uniform magnetic field of 1.68 mT, normal to the surface and directed outward. What is the magnitude of the net magnetic flux during the curved surface?
A uranium atom is ionized seven times, losing seven electrons inthe process. Its resulting mass is 3.90×10−25 kgand it is given a kinetic energy of 3000 eV. If it circles ina magnetic field at a radius of 4.00 m, what is the strength of the magnetic ..
A duck is floating on a lake with 30% of its volume beneath the water. What is the average density of the duck
A camera has a f=50 mm (f=5 cm) lens. A 1.0 mm (0.1cm) tall ant is 200 mm (20 cm) from the lens. Where should the film be placed
an object of mass m attached to a spring of force constant k oscillates with simple harmonic motion. the maximum
A person is pushing a wheelbarrow along a ramp that makes an angle of 34 degrees with the horizontal. What is the total force the person must apply
The titanic was found in 1985 lying on the bottom of the north ocean.The pressure that the titanic felt at that depth was 400 times atmospheric pressure. what was the depth
A 1-m-tall barrel is closed on top except for a thin pipe extending 4.2m up from the top. What is the pressure on the bottom when water is added to fill the pipe to its top
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +22.2 km/s to -20.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) du..
Threshold freq. of metal isf0. When the light of freq. 2f0 is incident on the metal max velocity of electrons is v1 and v2
The binding energy of an electron in a crystal lattice is 1.2 x10^(-4) eV. Use the uncertainty relation to estimate the size of the spread of the electron wave function. How many lattice sites will that include, assuming that the spread is sphericall..
Although physics problems often assume that inductors have zero resistance, actual inductors can, in fact, have appreciable resistance. What is the inductance of the inductor
A 0.280 kg croquet ball makes an elastic head-on collisionwith a second ball initially at rest. The second ball moves offwith half the original speed of the first ball. What is themass of the second ball
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